Steel City Tool Works 40630CH 6-Inch Cast Iron Stationary Jointer with Helical Cutter Head Patented Helical Head: Helical cutterhead has indexable HSS inserts for a superior finish, longer cut time, and quieter operation Conveniently Located 4-Inch Dust Port: Provides more efficient dust collection than an open or partially enclosed stand unit Cutterhead Speed: 11800 RPM. Number of Knives: 12 Two Sided HSS Inserts Table Specifications: Length: 45-Inch Length of Infeed: 21.7-Inch Length of Outfeed: 21.7-Inch Height of Table: 0.94-Inch. Fence Size: 25.0-Inch x 5.0-Inch